Bizarre Patents
Microwave Oven With Removable Storage Cassette in Dashboard of Motor Vehicle
A microwave oven adapted for use within a motor vehicle dashboard area. The microwave oven has a removable storage cassette, and slidable platforms for securing and serving containers of beverages and foods.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7757599 | Sealing arrangement for relatively movable parts and device including such a sealing arrangement A sealing arrangement for two relatively movable first and second parts and including a sealing ring positioned in a groove on one of the parts for sealing contact against the other one of the parts, so as to separate a first side of the sealing ring from a second s... | 07/20/2010 |
| 7293496 | Hydraulic linear drive of a transmission actuator A hydraulic linear drive, in particular for a hydraulic transmission actuator, has a piston/cylinder unit in which an adjusting piston is situated so that it is longitudinally displaceable in a cylinder housing and divides a cylinder space into at least two pressure... | 11/13/2007 |
| 7198135 | Lifting device, especially lifting platform for motor vehicles A lifting platform for motor vehicles has at least one extendable lifting column that is formed by a tubular jacket and a lifting cylinder unit arranged at least partially therein. The upper end of the lifting cylinder unit supports a load receptacle. The tubular ja... | 04/03/2007 |
| 6568925 | Abrasive liquid pump apparatus and method An abrasive liquid pump having a pump housing and a piston component configured for slidable movement within the pump housing. The pump housing has a bottom housing portion with a bottom end and a bottom mid-pump end and a top housing portion with a top e... | 05/27/2003 |
| 6176171 | Fuel injection pump with precipitate inhibiting features A fuel injection pump with precipitate inhibiting features includes a pump body that defines a flushing fluid inlet and a flushing fluid outlet that open into a plunger bore. A plunger is positioned in the plunger bore and is moveable between a retracted ... | 01/23/2001 |
| 5490766 | Precision small displacement fluid pump A fluid pump for displacing a small, precise volume of fluid for each pump stroke, particularly where the fluid to be displaced is a liquid containing dissolved gas. The precise volume of fluid to be displaced is adjustable to any selected amount up to th... | 02/13/1996 |
| 5249423 | Master cylinder A master cylinder includes a second piston that is provided with a hollow portion. The hollow portion includes a yoke portion for receiving an end of the second return spring, a cylindrical portion having a diameter that is larger than the diameter of the... | 10/05/1993 |
| 5145339 | Pulseless piston pump A multiple piston cylinder reciprocating pump is provided with a cam drive such that the sum of the velocities during the pumping strokes of all of the cylinders is generally constant. The leak free design is provided by utilizing a diaphragm attached to ... | 09/08/1992 |
| 5140905 | Stabilizing gas bearing in free piston machines In a free piston engine, to reduce dynamic loads on the reciprocating elements caused by a time varying pressure gradient across the gas bearing and close clearance seals provided therein, drain galleries are incorporated at the ends of the gas bearings t... | 08/25/1992 |
| 5129790 | Plunger pump A plunger pump for supplying solution in accordance with an extrusion action of a plunger within a pump chamber. The plunger pump includes a cleaning chamber sealed by a seal member around and relative to the plunger, with a cleaning liquid inlet-side flo... | 07/14/1992 |
| 4965042 | Inherently flushing piston rod for a reciprocating pump An inherently flushing piston rod is provided for use with a reciprocating pump. A piston rod having a rod portion and a piston portion is mounted for reciprocating movement within the housing of the reciprocating pump. An axial bore is defined through th... | 10/23/1990 |
| 4963077 | Profiled plunger for a reciprocating pump A profiled plunger is provided for use with a reciprocating pump. A flushing chamber and a main pumping chamber of a reciprocating pump are connected by a connector having an aperture, the perimeter dimension of which is less than the internal perimeter d... | 10/16/1990 |
| 4906167 | Inherently flushing piston rod for a reciprocating pump An inherently flushing piston rod is provided for use with a reciprocating pump. A piston rod having a rod portion and a piston portion is mounted for reciprocating movement within the housing of the reciprocating pump. An axial bore is defined through th... | 03/06/1990 |
| 4833976 | Sealing means for a high pressure axial piston pump The axial piston pump is provided with two annular seals mounted in the housing and sealingly engaging the piston to define a sealing fluid zone therebetween. An annular ring is provided between the seals to control the flow of sealing fluid through the f... | 05/30/1989 |
| 4832352 | Piston rod seal This invention relates to a piston rod seal in which the rod along which leakage should be avoided is surrounded by a gland of a plastically deformable material. The gland is mounted at the high pressure side of a wall through which the piston rod is pass... | 05/23/1989 |
| 4696223 | Pneumatic pressure actuator A pneumatic pressure actuator including a cylinder assemblage having a pair of metallic cylinder heads and a fiberglass cylinder casing held together by a plurality of tie bolts and nuts. A piston and piston rod reciprocally movable within the cylinder as... | 09/29/1987 |
| 4691620 | Self-flushing fluid seal assembly A self-flushing fluid seal assembly is provided to prevent particle intrusion into the main seal around a slurry pump shaft. The assembly includes an annular tube concentrically disposed about the pump shaft and forming a chamber. The volume of the chambe... | 09/08/1987 |
| 4685382 | Cylinder-piston combination, particularly for high-pressure application A deformable sealing member, particularly a sealing tube, which is at least partially elastic is secured at two distant locations to two working members, e.g. to a piston part and a cylinder part, respectively, to form a leakproof working chamber for pres... | 08/11/1987 |
| 4671743 | Piston pump In the case of piston-machines and in particular those having an elastically deformable sealing tube between the piston and the cylinder, which causes a relatively large structural length of the cylinder-piston arrangement and is provided if necessary wit... | 06/09/1987 |
| 4583921 | Plunger pump A pump which operates with several plungers is described with the plunger preferably being actuated via an eccentric drive unit and, having regard to the particular volume of flow per unit time, using several small plungers rather than a lesser number of ... | 04/22/1986 |
| 4572056 | Plunger or floating piston pump The present invention relates to a plunger or floating piston pump which is particularly adapted for use as a small-size metering pump in performing chemical analyses. In a pump head casing there is disposed a plunger guide bushing made of a ceramic mater... | 02/25/1986 |
| 4527464 | Cylinder-piston combination, particularly for high-pressure application A deformable sealing member, particularly a sealing tube, which is at least partially elastic is secured at two distant locations to two working members, e.g. to a piston part and a cylinder part respectively to form a leakproof working chamber for pressu... | 07/09/1985 |
| 4519753 | Displacement pump suitable for pumping suspensions A hydraulically-driven pump of the displacement type intended particularly for pumping various suspensions of liquids and solid particles (slurry) and/or for high pumping pressures comprises a pump housing with a pump chamber (4) with an inlet pipe and an... | 05/28/1985 |
| 4472111 | Apparatus for generating high pressure fluid The present invention comprises an apparatus for producing high pressure fluid by means of a cylinder having a reciprocatingly sliding ram inside, suction and pressurization of the fluid being performed by the reciprocation of said ram. In the apparatus, ... | 09/18/1984 |
| 4456439 | High pressure plunger pump A high pressure plunger pump, in particular for forwarding water and water with additives, comprises a plurality of plungers 20 which are driven by a crankshaft journalled in a drive housing 10. The free ends of the plungers 20 are each guided in respecti... | 06/26/1984 |
| 4453454 | Mud pump liner and piston cleaner In a mud pump liner and piston cleaner a split ring-type tubular reservoir, supplied with fluid under pressure, substantially surrounds the end portion of a liner projecting out of a mud pump cylinder. A plurality of small diameter tubing sections, each c... | 06/12/1984 |
| 4449897 | Single-acting piston pump having two heads A single-acting piston pump for output connection to a high pressure manifold and to an input of slush or slurry. The forward head of the piston pump is mounted for contact with the slush or slurry. In one embodiment, this forward head of the piston pump ... | 05/22/1984 |
| 4424739 | Cylinder piston unit Apparatus including an elastomeric hose arranged alternately to stretch longitudinally and then contract in operation of the apparatus, and a contact member disposed so as to be in sliding contact with a surface of the hose during said stretching and/or d... | 01/10/1984 |
| 4422368 | Cylinder-piston arrangement A relatively movable piston and cylinder are joined by an elastic sealing element which engages the piston and cylinder at spaced locations and at least partially defines a working chamber. The sealing element bears against a bearing surface via a lubrica... | 12/27/1983 |
| 4384510 | Method and device for feeding lubricant to a cylinder-piston arrangement The method and the device for the lubricant feed works by introduction of the lubricant into a clearance volume (3b) between a, for example, tubular flexible sealing element of a cylinder-piston arrangement and a bearing surface within the working stroke ... | 05/24/1983 |
| 4383804 | Lubrication and sealing of a free floating piston of hydraulically driven gas compressor A double acting multistage hydraulically driven gas compressor using a free floating piston including a hydraulic piston and a number of gas compressing pistons, those gas compressing pistons being sealed by high pressure oil supplied from the hydraulic d... | 05/17/1983 |
| 4329914 | Cylinder-piston combination particularly for high-pressure application A deformable sealing member, particularly a sealing tube, which is at least partially elastic is secured at two distant locations to two working members, e.g. to a piston part and a cylinder part respectively to form a leakproof working chamber for pressu... | 05/18/1982 |
| 4327629 | Seal for a cylinder-piston arrangement An apparatus comprising a cylinder, a piston located in part in the cylinder and movable relative thereto, an elastic tube member sealingly engaging the piston and the cylinder at spaced locations and at least partially defining a working chamber, the tub... | 05/04/1982 |
| 4321856 | Diaphragm pulser In a pulser for transmitting the reciprocating motion of a piston to a fluid contained in a chamber such as a solvent extraction column, at least one pulsation diaphragm having the shape of a hollow torus is joined to the piston and to a rim of the duct i... | 03/30/1982 |
| 4266468 | Control cylinder with removable piston The cylinder has an open-ended longitudinal bore. A removable plug closes one end of the bore. A power piston is slidably mounted in the bore. A pressure inlet port admits pressure fluid into the bore between the plug and the piston for shifting the pisto... | 05/12/1981 |
| 4251081 | Piston rod seal Piston rod sealing means of the type in which oil is applied to the low pressure side (5) of the seal and used to prevent escape of high pressure gas between the piston rod (6) surface and a surrounding surface of a plastic material gland (12) are improve... | 02/17/1981 |
| 4233886 | Sealing device for hydraulic piston mechanism A sealing device for a high pressure hydraulic piston mechanism in which the gap between the cylinder in which the piston is slideable to pressurize delivery fluid therein is sealed by sealing fluid drawn from a separate supply to that of the delivery flu... | 11/18/1980 |
| 4205946 | Slurry pump system - method for preventing slurry from entering water pumping fluids A pumping system comprising a chamber having a movable separator positioned therein, means for forcing the separator towards a first fluid on one side of the separator when a second fluid on the other side of the separator is maintained at a greater press... | 06/03/1980 |
| 4186654 | Recirculating lubrication system Improved lubrication system for multiplex pumps including lubrication reservoir means, pump means, filtration means and valve means.... | 02/05/1980 |
| 4157057 | Single acting piston A single acting pump has a piston with an elastomeric and synthetic fabric seal ring and is provided with means to supply fluid to the piston and passages in the piston for circulating fluid to cool and clean the piston on both the pressure stroke and the... | 06/05/1979 |
